Description: Lock nut M8; used primarily for attachments of the seals on the exhaust system (front and rearsilencers, heat exchanger, exhaust pipe and exhaust manifold) and for the hinges of the rear cover for the Porsche 911 (1965-1989), Porsche 924 S (1986-1988), Porsche 944/2 (1982-1991), Porsche 959, Porsche 964 (1989-1994), Porsche 968 (1992-1995), Porsche 993 (1994-1998), Porsche 986 (1987-2004), as well as for Porsche 996/Turbo/GT2/GT3 (1998-2005)